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panu_demo: prefer NAP over PANU

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This commit is contained in:
Matthias Ringwald 2017-09-06 15:19:44 +02:00
parent 7693aad03d
commit b5a442a757
1 changed files with 25 additions and 4 deletions
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29
example/panu_demo.c
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@ -91,10 +91,16 @@ static uint32_t bnep_remote_uuid = 0;
static uint16_t bnep_version = 0; static uint16_t bnep_version = 0;
static uint16_t bnep_cid = 0; static uint16_t bnep_cid = 0;
static uint16_t sdp_bnep_l2cap_psm = 0;
static uint16_t sdp_bnep_version = 0;
static uint32_t sdp_bnep_remote_uuid = 0;
static uint8_t attribute_value[1000]; static uint8_t attribute_value[1000];
static const unsigned int attribute_value_buffer_size = sizeof(attribute_value); static const unsigned int attribute_value_buffer_size = sizeof(attribute_value);
static const char * remote_addr_string = "F4-0F-24-3B-1B-E1"; // MBP 2016 static const char * remote_addr_string = "F4-0F-24-3B-1B-E1";
// Wiko Sunny
static const char * remote_addr_string = "A0:4C:5B:0F:B2:42";
static bd_addr_t remote_addr; static bd_addr_t remote_addr;
static int tap_fd = -1; static int tap_fd = -1;
@ -310,6 +316,18 @@ static char * get_string_from_data_element(uint8_t * element){
* @text The SDP parsers retrieves the BNEP PAN UUID as explained in * @text The SDP parsers retrieves the BNEP PAN UUID as explained in
* Section [on SDP BNEP Query example](#sec:sdpbnepqueryExample}. * Section [on SDP BNEP Query example](#sec:sdpbnepqueryExample}.
*/ */
static void handle_sdp_client_record_complete(void){
printf("SDP BNEP Record complete\n");
// accept first entry or if we foudn a NAP and only have a PANU yet
if ((bnep_remote_uuid == 0) || (sdp_bnep_remote_uuid == BLUETOOTH_SERVICE_CLASS_NAP && bnep_remote_uuid == BLUETOOTH_SERVICE_CLASS_PANU)){
bnep_l2cap_psm = sdp_bnep_l2cap_psm;
bnep_remote_uuid = sdp_bnep_remote_uuid;
bnep_version = sdp_bnep_version;
}
}
static void handle_sdp_client_query_result(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size) { static void handle_sdp_client_query_result(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size) {
UNUSED(packet_type); UNUSED(packet_type);
@ -324,6 +342,8 @@ static void handle_sdp_client_query_result(uint8_t packet_type, uint16_t channel
case SDP_EVENT_QUERY_ATTRIBUTE_VALUE: case SDP_EVENT_QUERY_ATTRIBUTE_VALUE:
// Handle new SDP record // Handle new SDP record
if (sdp_event_query_attribute_byte_get_record_id(packet) != record_id) { if (sdp_event_query_attribute_byte_get_record_id(packet) != record_id) {
handle_sdp_client_record_complete();
// next record started
record_id = sdp_event_query_attribute_byte_get_record_id(packet); record_id = sdp_event_query_attribute_byte_get_record_id(packet);
printf("SDP Record: Nr: %d\n", record_id); printf("SDP Record: Nr: %d\n", record_id);
} }
@ -345,7 +365,7 @@ static void handle_sdp_client_query_result(uint8_t packet_type, uint16_t channel
case BLUETOOTH_SERVICE_CLASS_NAP: case BLUETOOTH_SERVICE_CLASS_NAP:
case BLUETOOTH_SERVICE_CLASS_GN: case BLUETOOTH_SERVICE_CLASS_GN:
printf("SDP Attribute 0x%04x: BNEP PAN protocol UUID: %04x\n", sdp_event_query_attribute_byte_get_attribute_id(packet), uuid); printf("SDP Attribute 0x%04x: BNEP PAN protocol UUID: %04x\n", sdp_event_query_attribute_byte_get_attribute_id(packet), uuid);
bnep_remote_uuid = uuid; sdp_bnep_remote_uuid = uuid;
break; break;
default: default:
break; break;
@ -379,12 +399,12 @@ static void handle_sdp_client_query_result(uint8_t packet_type, uint16_t channel
case BLUETOOTH_PROTOCOL_L2CAP: case BLUETOOTH_PROTOCOL_L2CAP:
if (!des_iterator_has_more(&prot_it)) continue; if (!des_iterator_has_more(&prot_it)) continue;
des_iterator_next(&prot_it); des_iterator_next(&prot_it);
de_element_get_uint16(des_iterator_get_element(&prot_it), &bnep_l2cap_psm); de_element_get_uint16(des_iterator_get_element(&prot_it), &sdp_bnep_l2cap_psm);
break; break;
case BLUETOOTH_PROTOCOL_BNEP: case BLUETOOTH_PROTOCOL_BNEP:
if (!des_iterator_has_more(&prot_it)) continue; if (!des_iterator_has_more(&prot_it)) continue;
des_iterator_next(&prot_it); des_iterator_next(&prot_it);
de_element_get_uint16(des_iterator_get_element(&prot_it), &bnep_version); de_element_get_uint16(des_iterator_get_element(&prot_it), &sdp_bnep_version);
break; break;
default: default:
break; break;
@ -404,6 +424,7 @@ static void handle_sdp_client_query_result(uint8_t packet_type, uint16_t channel
break; break;
case SDP_EVENT_QUERY_COMPLETE: case SDP_EVENT_QUERY_COMPLETE:
handle_sdp_client_record_complete();
fprintf(stderr, "General query done with status %d, bnep psm %04x.\n", sdp_event_query_complete_get_status(packet), bnep_l2cap_psm); fprintf(stderr, "General query done with status %d, bnep psm %04x.\n", sdp_event_query_complete_get_status(packet), bnep_l2cap_psm);
if (bnep_l2cap_psm){ if (bnep_l2cap_psm){
/* Create BNEP connection */ /* Create BNEP connection */